填空(括号内写序号)
题目
填空(括号内写序号)
1.orange 2.go 3.yellow 4.in 5.on 6.a 7.an 8.road 9 rules 10.boat 11.three 12.there 13.are 14.green 15.stop
You must know the traffic( ) if you walk( )a city.There( )always( )lights for the traffic lights.You can cros the street at a( )light and you must( )at a read light means"Wait".If you drive( )car,you must drive( )the right side of the()
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答案
You must know the traffic( 9 ) if you walk( 4 )a city.There( 13 )always( 11 )lights for the traffic lights.You can cross the street at a( 14 )light and you must( 15 )at a read light means"Wait".If you...
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已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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